Journal of the Society of Cosmetic Scientists of Korea (대한화장품학회지)

Society of Cosmetic Scientists of Korea (대한화장품학회)
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Synergistic Effects of UV Absorbance of Nanoemulsions Formed with Organic UV filters and Wax

유기자외선차단제와 왁스를 함유한 나노에멀젼의 자외선 흡광도의 상승효과

  • 조완구 (전주대학교 의과학대학 기초의과학과) ;
  • 차영권 ((주)코스메카코리아 기술연구원)
  • Received : 2015.01.05
  • Accepted : 2015.03.13
  • Published : 2015.03.31
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Abstract

In this study, we investigated the effect on the increase of UV absorbance using a o/w nanoemulsion containing a blend of surfactants (Tween 80 and Span 80), an organic sunscreen, and wax. The particle size of nanoemulsion produced by PIC (Phase Inversion Composition), in Tween 80/Span 80 system containing candelilla wax was below 50 nm. As the concentration of Tween 80/Span 80/candelilla wax/organic UV filter was fixed at 4.5/0.5/3.0/2.0 wt%, and various organic sunscreens were added to the system, stable nanoemulsion was produced by Parsol MCX and Escalol 587, respectively. In addition, in the same system, when the ratio of Parsol MCX and candelilla wax was less than 2.0, a stable nanoemulsion was obtained. UV absorbance showed a high synergistic effect when Parsol MCX was used with candelilla wax.

본 연구에서 우리는 유기자외선차단제와 왁스를 함유하고 Tween 80과 Span 80의 혼합계면활성제를 이용한 o/w 나노에멀젼에서 자외선 흡광도의 상승에 대해 연구하였다. Tween 80/Span 80 유화시스템에서 칸데릴라 왁스를 함유하고 PIC (Phase Inversion Composition) 방법으로 제조된 나노에멀젼의 입자는 50 nm 이하였다. Tween 80/Span 80/칸데릴라 왁스/유기자외선차단제의 농도를 4.5:0.5/3.0/2.0 wt%로 고정하고 다양한 유기자외선차단제를 각각 첨가하여 에멀젼을 제조한 결과, Parsol MCX와 Escalol 587에서 안정한 나노에멀젼이 형성되었다. 또한 동일 시스템에서 Parsol MCX와 칸데릴라 왁스의 비율은 2.0 미만일 때 안정한 나노에멀젼이 형성되었다. 자외선 흡수 효과는 Parsol MCX와 칸데릴라 왁스를 혼용하였을 때 높은 상승효과를 보였다.

Keywords

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